#include <sys/types.h>
#include "ourhdr.h"

int main(void) {
    //off_t of= lseek(STDIN_FILENO, 0, SEEK_END);
    //printf("of = %ld.\n", of);
    //exit(0);
    if (lseek(STDIN_FILENO, 0, SEEK_CUR) == -1)
        printf("cannot seek\n");
    else 
        printf("seek OK\n");

    exit(0);
}
